8+ years of professional software engineering experience, full-stack, with demonstrated strength and a clear preference for frontend/UX work. ~1+ years of hands‑on experience building LLM‑powered or agentic products — not just calling an API, but designing how an agent reasons, uses tools, and hands control back to the user. ~ Experience building interfaces for AI‑powered or agentic products — conversational UIs, copilots, assistants — including exposure to generative/energetic UI techniques where the interface adapts to model behavior. ~ Solid understanding of LLM design patterns, prompt engineering, and observability/instrumentation for agentic systems. ~ Strong command of modern frontend (React/TypeScript) paired with a solid understanding of how frontends integrate with backend services, APIs, and real‑time/streaming data. ~ A track record of helping build products beyond standard CRUD apps and dashboards — something with real craft, polish, or a distinctive user experience. ~ Comfort working across the full stack when needed (backend, infra) — this isn’t a pure frontend role. ~ A lean mindset — focus on delivering customer value by minimizing waste, optimizing workflows, fostering continuous improvement, and prioritizing quick iteration with quick feedback cycles. ~ Excitement for working in a space that’s evolving rapidly, where the best patterns for AI‑driven UX are still being discovered — and a desire to help discover them. This role will require in‑office collaboration Monday‑Wednesday in our Toronto, Ontario office.



Design and build full‑stack features for our conversational AI assistant, with particular depth and ownership on the frontend/UX side.

Bring product taste and a strong point of view on what makes an AI‑driven experience great — push for a better UX rather than shipping Push the boundaries of what conversational and generative AI interfaces can feel like — prototype and propose new interaction patterns as the underlying models and agent capabilities evolve. Help shape the future of how people interact with software at Pebl — you’ll be working at the edge of what’s possible in conversational and agentic UX, not maintaining what’s already been figured out. Build and maintain both frontend and backend components (TypeScript/React on the frontend; Contribute to technical discussions, design reviews, and code reviews to maintain high engineering standards.

Troubleshoot issues end‑to‑end (frontend and backend) in production, including AI‑specific failure modes (e.g., 8+ years of professional software engineering experience, full‑stack, with demonstrated strength and a clear preference for frontend/UX work. ~1+ years of hands‑on experience building LLM‑powered or agentic products — not just calling an API,



but designing how an agent reasons, uses tools, and hands control back to the user. ~ Experience building interfaces for AI‑powered or agentic products — conversational UIs, copilots, assistants — including exposure to generative/dynamic UI techniques where the interface adapts to model behavior. ~ Solid understanding of LLM design patterns, prompt engineering, and observability/instrumentation for agentic systems. ~ Strong command of modern frontend (React/TypeScript) paired with a solid understanding of how frontends integrate with backend services, APIs, and real‑time/streaming data. ~ A track record of helping build products beyond standard CRUD apps and dashboards — something with real craft, polish, or a distinctive user experience. ~ Comfort working across the full stack when needed (backend, infra) — this isn’t a pure frontend role. ~ A lean mindset — focus on delivering customer value by minimizing waste, optimizing workflows, fostering continuous improvement, and prioritizing quick iteration with quick feedback cycles. ~ Excitement for working in a space that’s evolving rapidly, where the best patterns for AI‑driven UX are still being discovered — and a desire to help discover them.

Adaptable Time

Off – Take the time you need to recharge.

Parental

Leave – Support for growing families. Health and Dental Insurance – Where applicable, to cover you and your loved ones.

Retirement

Savings + Employee Incentive Plan – Plan for the future while sharing our success.

📌 Senior Frontend Software Engineer, AI UX @ Pebl (Toronto)
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📍 Toronto